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High-Fidelity Data Embedding for Image Annotation
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DOI：10.1109/TIP.2008.2008733.png)
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摘要
En 中文
High fidelity is a demanding requirement for data hiding, especially, for images with artistic or medical value. This correspondence proposes a high-fidelity image watermarking for annotation with robustness to moderate distortion. To achieve the high fidelity of the embedded image, we introduce a visual perception model that aims at quantifying the local tolerance to noise for arbitrary imagery. Based on this model, we embed two kinds of watermarks: a pilot watermark that indicates the existence of the watermark and an information watermark that conveys a payload of several dozen bits. The objective is to embed 32 bits of metadata into a single image in such a way that it is robust to JPEG compression and cropping. We demonstrate the effectiveness of the visual model and the application of the proposed annotation technology using a database of challenging photographic and medical images that contain a large amount of smooth regions.
Keyword:
High fidelity
human visual model
image annotation
image watermarking
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期刊
IF:
13.7
论文数:
1.0W
被引数:
8.4W
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